Year % of population 2000 89.6637320953902 2001 90.1840638943505 2002 90.7046279123594 2003 91.2254022731149 2004 91.7464008521263 2005 92.2676250323734 2006 92.789075684739 2007 93.3107649601008 2008 93.8326967498586 2009 94.3548730381605 2010 94.8772971743945 2011 95.3999729356832 2012 95.9229402165542 2013 96.4462272904915 2014 96.9233874006562 2015 96.7620921644771 2016 96.6015634960495 2017 96.4418138615001 2018 96.2828131057567 2019 96.1245644895827 2020 95.9670764054634 2021 95.8103435239846 2022 95.6543313759674